Observers: Nadia Blagorodnova, Nic Walton

Support team: Morgan Fraser

TAT: Michel Dennefeld & Stefan Taubenberger


Moon - quarter 2, Illum 66% - sets UT 05.15

Start of night:    Wind 2m/s, Humidity 36%. Thin haze. No clouds. Looks photometric. DIMM seeing 0.7".

Middle of night: Wind 3m/s, Humidity 20%. No clouds. Still photometric. DIMM seeing 0.8".

End of night:      Wind 5m/s, Humidity 40%. No clouds. Still photometric. DIMM seeing 0.9".

The night was PHOTOMETRIC


19:00        Bias, Dome Flats and Arcs.

23.14        Sunset

23:25        iR skyflats

23.45        LTT745a spectrophotometric standard / 1 and 1.5 arcsec slits   Gr11/16/13

00:05        Image analysis

00.15        PS1-14pw classification --> Target 20º from the Moon. Red (3800K) continuum with some (small) emission around 4700A (He II?).

00.28        Twilight

00.31        SKY_J1353283-575750

                 1x1800s Gr#16, 1x1800s Gr#11

01.50       PG1087  Photometric field in V,R, i 

01.58       SN2014ai  Followup --> 150s R, i 

02.20       LSQ14abd

                2x2700s Gr#16, 2x2700s Gr#11

05.38       LSQ14ahb classification --> Looks like SN II, pre-max at z=0.03.

06.05       LSQ14age classification --> SN Ia, +1d, z=0.06.

06.40       LSQ14ahf classification --> Not very clear... Maybe a SLSN?

07.15       PSN J13480599+0723164  classification --> Strong narrow Balmer lines, HeI and Ca lines at z=0.02. SNID says SN IIn, +150d?.

07.30       PS1-14pi classification --> Type II, +2w, z=0.02. 

07.40     SWITCH to SOFI

07.53      GROJ1744 under the program ID. 292.D-5038(A).

08.15      LSQ14pt, SOFI H band

08:58      SWITCH to EFOSC

09.06      LSQ14agf. Target not visible in the acquisition image. (40s)

09.10      LSQ14acj. Target not visible in the acquisition image. (40s)

09.19      PS1-14rl. Target not visible in the acquisition image. (60s)

09.19      Twilight

09.24      EGD274 Spectrophotometric standard.

10:00      Dome flats and arcs